CVE-2019-16667

diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executing OS commands. This occurs because csrf_callback() produces a "CSRF token expired" error and a Try Again button when a CSRF token is missing.

Affected products

Pfsense

Netgate Pfsense

= 2.4.4

Fix

Available

CVSS 3.1

8.8 HIGH

EPSS

54.5% (99th percentile)

Weakness

CWE-352

NVD status

Modified

Published

2019-09-26